ON SOME N.S.W. TA.N-SUB8TANCES. 273 



Average length 1172 m.m., average breadth .'34 mm. Colour 

 of dried leaves pale olive-green, inclining to sage. 



Extract. — They yield 40 '61 per cent, to water at 100° C. Colour 

 of extract deep orange, of moist residue light brown. 



Kino-tannic acid — 16 "59 per cent. 



76. Eucalyptus Gunnii, Hook., J'., var. 



Vernacular Names — -"''Bastard Gum," "Flooded Gum." 

 Locality whence this particular specimen was obtained — ■ 



Delegate. 

 Geological Formation — Mudstone (Silurian). 

 Part of the Tree Examined — -Leaves. 

 Particulars of the trees whence they were obtained — Height 



60 to 80 feet, diameter 2 to 3 feet. 

 Collected 25th May, 1887. Analysed 24th October to 24th 



November, 1887. 



Average length 119-8 mm., average breadth 68*4 mm. Colour 

 of powdered leaves rather a bright green with a bluish tint. 



Extract. — They yield 41-08 per cent, to water at 100° C. Colour 

 of solution pale orange, of moist residue yellowish brown. 



Kino-tannic acid — 8-28 per cent. 



77. Eucalyptus corymbosa, Smith, N.O. Myrtacea?, B. Fl. iii., 

 256. Figured Dec. 5, " Eucalyptographia." 

 Found in New South Wales and Queensland. 

 Vernacular Name—" Bloodwood." 

 Locality whence these particular specimens were obtained — 



Cambewarra. 

 Geological Formation — Sandstone. 

 Part of the Tree Examined — Leaves. 

 Particulars of the trees whence they were obtained — Height 



80 to 100 feet, diameter 3 to 4 feet. 

 Collected 28th August, 1886. Analysed 11th to 21st 



November, 1887. 



Leaves of firm consistence, ovate or elongate-lanceolar, slightly 

 curved or somewmat sickle-shaped, paler beneath, the lateral reins 

 very numerous, subtle, almost transversely spreading, the circum- 



